Cup lid



FIG. 1 is a front perspective view of a cup lid showing my new design;

FIG. 2 is another front perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is an enlarged left side elevation view thereof;

FIG. 5 is an enlarged right side elevation view thereof;

FIG. 6 is an enlarged top plan view thereof; and,

FIG. 7 is an enlarged bottom plan view thereof. 

CLAIM The ornamental design for a cup lid, as shown and described. 